Home / 12,621,143.87-17,417,178.19-6,819,925.44

Finding the Fourth Proportional to 12,621,143.87, 17,417,178.19 and 6,819,925.44

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Solution

The fourth proportional to 12,621,143.87, 17,417,178.19 and 6,819,925.44 is: 9,411,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,143.87 : 17,417,178.19 = 6,819,925.44 : x
  2. Step 2: Convert to fraction form
    12,621,143.87/17,417,178.19 = 6,819,925.44/x
  3. Step 3: Cross multiply
    12,621,143.87x = 17,417,178.19 × 6,819,925.44
  4. Step 4: Simplify right side
    12,621,143.87x = 118,783,856,613,944.34
  5. Step 5: Solve for x
    x = 118,783,856,613,944.34/12,621,143.87
  6. Step 6: Final answer
    x = 9,411,496.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.